TY - CHAP M1 - Book, Section TI - Neck Masses A1 - Linzer Sr., Jeffrey F. A2 - Tenenbein, Milton A2 - Macias, Charles G. A2 - Sharieff, Ghazala Q. A2 - Yamamoto, Loren G. A2 - Schafermeyer, Robert PY - 2019 T2 - Strange and Schafermeyer's Pediatric Emergency Medicine, 5e AB - Most common neck masses in children are benign reactive lymphadenopathy and lymphadenitis.Congenital neck lesions can present even after the first decade of life often with an infection or obstruction.Occasionally, a neck mass may be related to a systemic illness or sign of a neoplastic condition and further investigation is warranted particularly if there is supraclavicular lymphadenopathy.Neck masses that affect the airway require immediate intervention.Laboratory testing is often not necessary in the evaluation of cervical lymphadenopathy, as the cause can usually be determined by the history and physical examination.An enlarged cervical mass that does not improve after 4 to 6 weeks needs to be referred to a subspecialist for further evaluation. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/11/08 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1155167669 ER -